Removing Dead Code part 1 (#2234)

ElementX/Sources/Services/Audio/AudioSessionProtocol.swift

@@ -24,10 +24,6 @@ protocol AudioSessionProtocol: AnyObject {
 }
 
 extension AudioSessionProtocol {
-    func setCategory(_ category: AVAudioSession.Category, mode: AVAudioSession.Mode) throws {
-        try setCategory(category, mode: mode, options: [])
-    }
-    
     func setActive(_ active: Bool) throws {
         try setActive(active, options: [])
     }

ElementX/Sources/Services/Audio/Player/AudioPlayer.swift

@@ -46,12 +46,13 @@ class AudioPlayer: NSObject, AudioPlayerProtocol {
     
     private var statusObserver: NSKeyValueObservation?
     private var rateObserver: NSKeyValueObservation?
-    private var playToEndObserver: NSObjectProtocol?
-    private var appBackgroundObserver: NSObjectProtocol?
     private var autoplay = false
     
     private let audioSession = AVAudioSession.sharedInstance()
+    
+    // periphery:ignore - when set to nil is automatically cancelled
     @CancellableTask private var releaseAudioSessionTask: Task<Void, Never>?
+    
     private let releaseAudioSessionTimeoutInterval = 5.0
     
     private(set) var url: URL?

ElementX/Sources/Services/Audio/Player/AudioPlayerProtocol.swift

@@ -19,7 +19,6 @@ import Foundation
 
 enum AudioPlayerError: Error {
     case genericError
-    case loadFileError
 }
 
 enum AudioPlayerAction {

ElementX/Sources/Services/Audio/Player/AudioPlayerState.swift

@@ -110,7 +110,7 @@ class AudioPlayerState: ObservableObject, Identifiable {
         playbackState = .stopped
     }
     
-    func reportError(_ error: Error) {
+    func reportError() {
         playbackState = .error
     }
     
@@ -167,6 +167,7 @@ class AudioPlayerState: ObservableObject, Identifiable {
         displayLink?.add(to: .current, forMode: .common)
     }
     
+    // periphery:ignore:parameters displayLink - required for objc selector
     @objc private func updateProgress(displayLink: CADisplayLink) {
         if let currentTime = audioPlayer?.currentTime, duration > 0 {
             progress = currentTime / duration

ElementX/Sources/Services/Audio/Recorder/AudioRecorder.swift

@@ -343,9 +343,9 @@ class AudioRecorder: AudioRecorderProtocol {
             .store(in: &cancellables)
         
         NotificationCenter.default.publisher(for: Notification.Name.AVAudioEngineConfigurationChange)
-            .sink { [weak self] notification in
+            .sink { [weak self] _ in
                 guard let self else { return }
-                self.handleConfigurationChange(notification: notification)
+                self.handleConfigurationChange()
             }
             .store(in: &cancellables)
         
@@ -396,7 +396,7 @@ class AudioRecorder: AudioRecorderProtocol {
         }
     }
     
-    func handleConfigurationChange(notification: Notification) {
+    func handleConfigurationChange() {
         guard let audioEngine else { return }
         MXLog.warning("Configuration changed: \(audioEngine.inputNode.inputFormat(forBus: 0))")
         if internalState != .suspended {

ElementX/Sources/Services/Audio/Recorder/AudioRecorderProtocol.swift

@@ -24,7 +24,6 @@ enum AudioRecorderError: Error, Equatable {
     case audioFileCreationFailure
     case interrupted
     case recordingCancelled
-    case recordingFailed
     case recordPermissionNotGranted
 }
 

ElementX/Sources/Services/Audio/Recorder/AudioRecorderState.swift

@@ -57,7 +57,7 @@ class AudioRecorderState: ObservableObject, Identifiable {
         recordingState = .stopped
     }
     
-    func reportError(_ error: Error) {
+    func reportError() {
         recordingState = .error
     }
     
@@ -98,6 +98,7 @@ class AudioRecorderState: ObservableObject, Identifiable {
         displayLink?.add(to: .current, forMode: .common)
     }
     
+    // periphery:ignore:parameters displayLink - required for objc selector
     @objc private func publishUpdate(displayLink: CADisplayLink) {
         if let currentTime = audioRecorder?.currentTime {
             duration = currentTime